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Ekanite
Ekanite

Bustamite
Bustamite



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Ekanite
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Bustamite

Ekanite and Bustamite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Weak

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.593-1.5961.662-1.707
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422
Triclinic

Birefringence

0.0010.013-0.015
0 0.296
👆🏻

Clarity

Transparent
Transparent

Ekanite and Bustamite Optic Character

Ekanite and Bustamite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Ekanite and Bustamite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Ekanite and Bustamite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Ekanite and Bustamite Transparency

Similar to their colors, Ekanite and Bustamite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Ekanite is Transparent while Ekanite is Transparent in appearance.